package com.itheima.demo02;

import java.util.ArrayList;

public class MyTest {
    public static void main(String[] args) {
        ListUitl<String> list= new ListUitl<>();
        list.add("aaa");
        list.add("bbb");
        System.out.println(list);
        System.out.println(list.getIndex(1));
    }
}
